From 65929200e4f62298d15996a9b3bd234b30dffaff Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= Date: Sat, 14 Oct 2023 16:46:20 +0200 Subject: oc challs --- iv/oc_challs/hertz/README.md | 17 +++++++++++++++++ iv/oc_challs/hertz/sound.flac | Bin 0 -> 1488759 bytes 2 files changed, 17 insertions(+) create mode 100644 iv/oc_challs/hertz/README.md create mode 100644 iv/oc_challs/hertz/sound.flac (limited to 'iv/oc_challs/hertz') diff --git a/iv/oc_challs/hertz/README.md b/iv/oc_challs/hertz/README.md new file mode 100644 index 0000000..722bd6d --- /dev/null +++ b/iv/oc_challs/hertz/README.md @@ -0,0 +1,17 @@ +# hertz + +## Details +* points: 8 +* category: forensic +* author: Anton +* flags: `cnctf{slow_scan_television_2023}` + +## Public description: (empty, just file) + + +## Deployment +* Players should get `sound.flac`. + +## Solution / writeup + +This is a SSTV encoded image containing the flag. Use a suitable decoder, such as the Android app "Robot 36" to read the image. For Windows, you can use MMSSTV if I recall correctly. diff --git a/iv/oc_challs/hertz/sound.flac b/iv/oc_challs/hertz/sound.flac new file mode 100644 index 0000000..768024a Binary files /dev/null and b/iv/oc_challs/hertz/sound.flac differ -- cgit v1.2.3